"..The U.S. Department of Energy also indicates that pumping systems account for nearly 20 percent of the world's electrical energy demand, and frequently they consume from 25 percent to 50 percent of the energy in industrial process plants.. According to the U.S. Industrial Motor Systems Market Opportunities Assessment performed by the U.S. Department of Energy, pumps are the largest opportunity for energy efficiency improvements in industry.."
Read the article from Pump Zone about energy and pumping systems.
"A pump's efficiency can degrade as much as 10% to 25% before it is replaced, according to a study of industrial facilities commissioned by the U.S. Department of Energy (DOE), and efficiencies of 50% to 60% or lower are quite common. However, because these inefficiencies are not readily apparent, opportunities to save energy by repairing or replacing components and optimizing systems are often overlooked."
Read the paper from the Hydraulic Institute.
"..Water and wastewater facilities are energy intensive, accounting for more than one-third of municipal energy use. Improving the energy efficiency of America's drinking water and wastewater systems by 10 percent would save more than 5 billion kilowatt-hours each year representing a cost savings of about $400 million annually.."
Read the media release from the EPA.
"..Pumps are the single largest user of electricity in Industry in the European Union, consuming 160 TWhpa of electricity, accounting for 79 Mton CO2..
..It is however also recognised that giving simple guidance on the selection of pumps by efficiency, does present particular challenges, in particular that:
- Efficiency may fall off fast as operation moves from the Best Efficiency Point
- Pump Efficiency will deteriorate over time
..Without maintenance, a centrifugal cold water pump can eventually lose about 10% - 15% of its original efficiency and most of the loss occurs in the first few years of life.."
Read the whole European Union study published in 2003, entitled "Study on Improving the Energy Efficiency of Pumps".
"Electricity use in water and wastewater treatment and pumping in the US is estimated to cost over $6.5BN annually, with savings on 15% readily achievable".
"Motor System Efficiency in Water and Wastewater Systems: A Call to Action" R. Neal Elliot, Chair CEE Motors Committee, 2002.
White Paper - Improving Energy Efficiency in Pump Stations
White Paper - CO2 from pump stations (223kb PDF)
The MultiSmart Pump Station Manager has new technology for helping water and wastewater utilities reduce their CO2 emissions.
